Home / 20,026.20-29,996.10-13,027.80

Finding the Fourth Proportional to 20,026.20, 29,996.10 and 13,027.80

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Solution

The fourth proportional to 20,026.20, 29,996.10 and 13,027.80 is: 19,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,026.20 : 29,996.10 = 13,027.80 : x
  2. Step 2: Convert to fraction form
    20,026.20/29,996.10 = 13,027.80/x
  3. Step 3: Cross multiply
    20,026.20x = 29,996.10 × 13,027.80
  4. Step 4: Simplify right side
    20,026.20x = 390,783,191.58
  5. Step 5: Solve for x
    x = 390,783,191.58/20,026.20
  6. Step 6: Final answer
    x = 19,513.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.